5-year Results on Rainfall Rate and Attenuation with the Alphasat Experiment in Madrid

A propagation campaign of attenuation measurements with the 40-GHz Alphasat beacon signal is being conducted at the Universidad Politécnica de Madrid (UPM). Besides attenuation, rainfall rate data are collected with a rain gauge and a disdrometer. Rainfall rate and attenuation statistics can be used...

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Main Authors: Pimienta-del-Valle, Domingo, Garcia-del-Pino, Pedro, Riera, Jose Manuel, Benarroch, Ana
Format: Conference Proceeding
Language:English
Online Access:Request full text
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Summary:A propagation campaign of attenuation measurements with the 40-GHz Alphasat beacon signal is being conducted at the Universidad Politécnica de Madrid (UPM). Besides attenuation, rainfall rate data are collected with a rain gauge and a disdrometer. Rainfall rate and attenuation statistics can be used for assessment and development of attenuation prediction models for satellite radio links. In this paper, the results obtained from 5 years of rainfall rate and attenuation measurements are presented and compared with several relevant propagation models: the ITU-R P.837-6, ITU-R P.837-7 and MORSE models for rainfall rate and the ITU-R P.618-13 for attenuation. A moderate accuracy has been achieved with all models. The ITU-R P.837-7 and MORSE models improve the prediction for probabilities lower than approximately 0.01%, whereas for higher probabilities the three models show a similar performance.
ISSN:2642-4339
DOI:10.23919/URSIGASS49373.2020.9231993